"""
循环里面套循环
语法：
while:
     while:

for :
  for:
"""

# a=1
# while a<6:
#     b=0
#     while b<a:
#         print("*",end="")
#         b+=1
#     print()
#     a+=1
# 打印九九乘法口诀表
# for a in range(1,10):
#     for b in range(1,a+1):
#          # print(f"{a}x{b}={a*b}",end="")
#          print(f"{a}x{b}={a*b}",end="\t")
#     print()





